Hi, For some reason MikroTik have problem when using /127-/128. It will works well when using /126.
Br, Dewangga On Tue, 28 Sep 2021 at 16.12 Blažej Krajňák <[email protected]> wrote: > Hello everyone, > > I just found that neighbour router Mikrotik has the LSA in table. So I > incorrectly mentioned that Bird2 is not advertising route. But that > route does not appear in Mikrotik routing table. I compared the same > configuration with Quagga (which works correctly) and the difference > between LSAs is LA option bit. > > NOT WORKING: > referenced-LS-type=Router LSA > referenced-LS-ID=0 > prefix=2a02:6ca3:0:2::25/128 options=01000000 (LA) > > > WORKING: > referenced-LS-type=Router LSA > referenced-LS-ID=0 > prefix=2a02:6ca3:0:2::2/128 options=00000000 > prefix=2a02:6ca3:0:2::3/128 options=00000000 > prefix=2a02:6ca3:0:2::4/128 options=00000000 > > > According to RFC5340: > > LA-bit > The "local address" capability bit. If set, the prefix is > actually an IPv6 interface address of the Advertising Router. > Advertisement of local interface addresses is described in > Section 4.4.3.9. An implementation MAY also set the LA-bit for > prefixes advertised with a host PrefixLength (128). > > So does it mean that Mikrotik does not understand "MAY implementation" > of LA-bit for host PrefixLength (128)? > > ut 28. 9. 2021 o 1:15 Blažej Krajňák <[email protected]> > napísal(a): > > > > Hello, > > > > I just installed fresh Debian 11 server and I need to distribute IPv6 > > /128 address from dummy1 interface to OSPF. Direct protocol see that > > address, but neighbour not. Am I missing something? > > > > > > ip -6 route > > 2a02:6ca3:0:2::25 dev dummy1 proto bird metric 32 pref medium > > 2a02:6ca3:0:2::25 dev dummy1 proto kernel metric 256 pref medium > > > > bird> show route table master6 > > Table master6: > > 2a02:6ca3:0:2::25/128 unicast [ospf2 00:32:34.008] I (150/0) > [172.20.12.25] > > dev dummy1 > > > > > > log syslog all; > > router id 172.20.12.25; > > protocol device { > > } > > protocol direct { > > disabled; # Disable by default > > ipv4; # Connect to default IPv4 table > > ipv6; # ... and to default IPv6 table > > } > > protocol kernel { > > ipv4 { > > export all; > > }; > > } > > protocol kernel { > > ipv6 { > > export all; > > }; > > } > > protocol static { > > ipv4; > > } > > protocol static { > > ipv6; > > } > > protocol ospf v2 { > > ipv4 { > > import all; > > }; > > area 0 { > > interface "ens192" { > > type broadcast; > > }; > > interface "dummy1" { > > stub; > > }; > > }; > > } > > protocol ospf v3 { > > ipv6 { > > import all; > > }; > > area 0 { > > interface "ens192" { > > type broadcast; > > }; > > interface "dummy1" { > > stub; > > }; > > }; > > } > > -- Sent from iDewangga Device
